Initial MPOD feature

This MR adds a basic MPOD test to test compatibility in DETLAB.
It also exposes the Git tag or commit to the /idn route to easily monitor which version is used.

.gitlab-ci.yml

@@ -3,7 +3,7 @@ build:
   script:
     # Set up Arduino environment
     - cat /etc/os-release
-    - apt-get install -y wget python3-pip
+    - apt-get install -y wget python3-pip rename
     - wget -nv
       https://downloads.arduino.cc/arduino-cli/arduino-cli_latest_Linux_64bit.tar.gz
     - tar -xf arduino-cli_latest_Linux_64bit.tar.gz
@@ -29,12 +29,18 @@ build:
     - arduino-cli lib install Ethernet
     - arduino-cli lib install --git-url https://github.com/patricklaf/SNMP.git --config-file arduino-cli.yaml
 
+    # Set version, tag if available else commit sha
+    - ICBM_GIT_VERSION=$CI_COMMIT_SHORT_SHA
+    - if [[ -v CI_COMMIT_TAG ]]; then ICBM_GIT_VERSION=$CI_COMMIT_TAG; fi;
+    - echo "Firmware version is $ICBM_GIT_VERSION"
+
     # Compile artifact
-    - arduino-cli compile --fqbn esp32:esp32:esp32wroverkit icbm.ino --output-dir firmware
-    - zip -r firmware.zip firmware
+    - arduino-cli compile --fqbn esp32:esp32:esp32wroverkit icbm.ino --output-dir icbm-$ICBM_GIT_VERSION --build-property build.extra_flags="-DICBM_GIT_VERSION=\"$ICBM_GIT_VERSION\" -DICBM_GIT_TIMESTAMP=\"$CI_COMMIT_TIMESTAMP\""
+    - rename "s/ino/$ICBM_GIT_VERSION/" icbm-$ICBM_GIT_VERSION/*
+    - zip -r icbm-$ICBM_GIT_VERSION.zip icbm-$ICBM_GIT_VERSION
   artifacts:
     when: always
     paths:
-      - firmware.zip
+      - icbm-*.zip
     expire_in: 1 week
   interruptible: true